320  
CXUS51 KPHI 011256  
CLMABE  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ  
856 AM EDT SAT AUG 01 2020  
   
...............................
 
 
   
..THE ALLENTOWN PA CLIMATE SUMMARY FOR THE MONTH OF JULY 2020
 
 
CLIMATE NORMAL PERIOD: 1981 TO 2010  
CLIMATE RECORD PERIOD: 1922 TO 2020  
 
WEATHER OBSERVED NORMAL DEPART LAST YEAR'S  
VALUE DATE(S) VALUE FROM VALUE DATE(S)  
NORMAL    
............................................................
 
 
TEMPERATURE (F)  
RECORD  
HIGH 105 07/03/1966  
LOW 46 07/03/2001  
07/04/1933  
07/02/1920  
HIGHEST 96 95 1 96  
LOWEST 61 53 8 58  
AVG. MAXIMUM 88.8 84.2 4.6 88.4  
AVG. MINIMUM 67.1 62.7 4.4 67.4  
MEAN 78.0 73.4 4.6 77.9  
DAYS MAX >= 90 15 5.3 9.7 11  
DAYS MAX <= 32 0 0.0 0.0 0  
DAYS MIN <= 32 0 0.0 0.0 0  
DAYS MIN <= 0 0 0.0 0.0 0  
 
PRECIPITATION (INCHES)  
RECORD  
MAXIMUM 10.42 1969  
MINIMUM 0.33 1999  
TOTALS 4.90 4.95 -0.05 9.55  
DAILY AVG. 0.16 0.16 0.00 0.31  
DAYS >= .01 10 10.9 -0.9 11  
DAYS >= .10 9 7.3 1.7 10  
DAYS >= .50 3 3.2 -0.2 7  
DAYS >= 1.00 1 1.4 -0.4 2  
GREATEST  
24 HR. TOTAL 1.92 07/10 TO 07/10 2.75  
 
SNOWFALL (INCHES)  
RECORDS  
TOTAL MM 5  
24 HR TOTAL MM  
TOTALS 0.0 0.0 0.0 0.0  
SINCE 7/1 0.0 0.0 0.0 MM  
SNOWDEPTH AVG. 0 0  
DAYS >= 1.0 0 0.0 0.0 0  
GREATEST  
SNOW DEPTH 0 0 MM  
24 HR TOTAL 0.0 0.0  
 
DEGREE DAYS  
HEATING TOTAL 0 3 -3 0  
SINCE 7/1 0 0 0 0  
COOLING TOTAL 407 265 142 407  
SINCE 1/1 651 465 186 691    
............................................................
 
 
WIND (MPH)  
AVERAGE WIND SPEED 5.4  
HIGHEST WIND SPEED/DIRECTION 29/220 DATE 07/12  
HIGHEST GUST SPEED/DIRECTION 39/260 DATE 07/22  
 
SKY COVER  
POSSIBLE SUNSHINE (PERCENT) MM  
AVERAGE SKY COVER 0.31  
NUMBER OF DAYS FAIR 20  
NUMBER OF DAYS PC 9  
NUMBER OF DAYS CLOUDY 2  
 
AVERAGE RH (PERCENT) 69  
 
WEATHER CONDITIONS. NUMBER OF DAYS WITH  
THUNDERSTORM 8 MIXED PRECIP 0  
HEAVY RAIN 7 RAIN 8  
LIGHT RAIN 13 FREEZING RAIN 0  
LT FREEZING RAIN 0 HEAVY SNOW 0  
SNOW 0 LIGHT SNOW 0  
SLEET 0 FOG 18  
FOG W/VIS <= 1/4 MILE 0 HAZE 5  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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